Expedition 33, you'll be able to build relationships with each character and unlock unique skills and abilities.

The new roleplaying game makes turn-based combat exhilarating.

No, there is no specific romance mechanic in Clair Obscur: Expedition 33. Romantic relationships are not under the control of the player, but there are deeper relationships threaded throughout the story in an organic fashion, and some might be seen as possibly romantic.